页面的head部分，引入图标字体库等多个样式文件，代码如下：

<link rel="stylesheet" type="text/css" href="css/normalize.css" />
<link href="https://fonts.googleapis.com/css?family=Bellefair|Lato|Righteous" rel="stylesheet">
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<link type="text/css" rel="stylesheet" href="demo/css/core.css">

页面的body部分，用了多个a标签来作为按钮，代码如下：

<div class="container options">
		<h5>Options:</h5>
		<a href="#" class="hbtn hbtn-x hpill hb-fill-top-bg hsmall changeStyle">PILL</a>

		<a href="#" class="hbtn hbtn-x hb-fill-top-bg hsmall changeIcon"><i class="fa fa-star" aria-hidden="true"></i>ICONS</a>

		<a href="#" class="hbtn hbtn-x hb-fill-top-bg hsmall changeBackground">BACKGROUND</a>

		<a href="#" class="hbtn hbtn-x hb-fill-top-bg hsmall changeBorder">BORDER</a>

		<a href="#" class="hbtn hbtn-x hb-fill-top-bg hsmall changePadding">PADDING</a>

		<!--<a href="#" class="hbtn hbtn-x hb-fill-top-bg hsmall changeColor">Color</a>-->

	</div>

	<div class="container">
		<h4>Fill Transitions</h4>
	</div>

	<div class="container">
		<h5>Set 1</h5>
		<p class="lead">Simple reveal/hide animation</p>
		<a href="#" class="hbtn hb-fill-on">Fade In</a>
		<a href="#" class="hbtn hb-fill-top">Slide Up</a>
		<a href="#" class="hbtn hb-fill-right">Slide Right</a>
		<a href="#" class="hbtn hb-fill-bottom">Slide Down</a>
		<a href="#" class="hbtn hb-fill-left">Slide Left</a>

		<a href="#" class="hbtn hb-fill-middle">Slide Middle</a>
		<a href="#" class="hbtn hb-fill-middle2">Slide Middle</a>

		<br>

		<a href="#" class="hbtn hb-fill-on-rev">Fade Out</a>
		<a href="#" class="hbtn hb-fill-top-rev">Reveal Top</a>
		<a href="#" class="hbtn hb-fill-right-rev">Reveal Right</a>
		<a href="#" class="hbtn hb-fill-bottom-rev">Reveal Bottom</a>
		<a href="#" class="hbtn hb-fill-left-rev">Reveal Left</a>

		<a href="#" class="hbtn hb-fill-middle-rev">Reveal Middle</a>
		<a href="#" class="hbtn hb-fill-middle2-rev">Reveal Middle</a>
	</div>

页面的底部，需引入jQuery库和功能插件，代码如下：

<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="demo/js/functions.js"></script>